{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.8.1"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "8c8636e4c72e518b4755a593831cb079e8ba69d2"
            }
          ],
          "repo": "https://github.com/agentverus/agentverus-scanner",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-693"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84811.json"
  },
  "details": "agentverus-scanner fails to analyze compiled Python bytecode files in companion code directories, allowing attackers to bypass security scanning by shipping malicious __pycache__ entries alongside benign source files. Attackers can execute arbitrary Python bytecode on import while the scanner reports a CERTIFIED verdict with high trust scores in both static and semantic analysis modes.",
  "id": "CVE-2026-84811",
  "modified": "2026-09-05T03:30:46.513544555Z",
  "published": "2026-09-02T16:59:50.188Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84811.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-84811"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/agentverus-scanner-companion-code-analysis-bypass-via-excluded-python-bytecode"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/agentverus/agentverus-scanner/issues/27"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/agentverus/agentverus-scanner"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/agentverus/agentverus-scanner/blob/v0.8.1/src/scanner/analyzers/semantic.ts"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/agentverus/agentverus-scanner/blob/v0.8.1/src/scanner/companion-code.ts"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "agentverus-scanner Companion Code Analysis Bypass via Excluded Python Bytecode"
}